diff --git a/dlls/winemp3.acm/decode_i386.c b/dlls/winemp3.acm/decode_i386.c
index 575c53cdd7e..9875cd89e80 100644
--- a/dlls/winemp3.acm/decode_i386.c
+++ b/dlls/winemp3.acm/decode_i386.c
@@ -31,22 +31,20 @@
 #include "mpg123.h"
 #include "mpglib.h"
 
-extern struct mpstr *gmp;
-
  /* old WRITE_SAMPLE */
 #define WRITE_SAMPLE(samples,sum,clip) \
   if( (sum) > 32767.0) { *(samples) = 0x7fff; (clip)++; } \
   else if( (sum) < -32768.0) { *(samples) = -0x8000; (clip)++; } \
   else { *(samples) = sum; }
 
-int synth_1to1_mono(real *bandPtr,unsigned char *samples,int *pnt)
+int synth_1to1_mono(struct mpstr *mp,real *bandPtr,unsigned char *samples,int *pnt)
 {
   short samples_tmp[64];
   short *tmp1 = samples_tmp;
   int i,ret;
   int pnt1 = 0;
 
-  ret = synth_1to1(bandPtr,0,(unsigned char *) samples_tmp,&pnt1);
+  ret = synth_1to1(mp,bandPtr,0,(unsigned char *) samples_tmp,&pnt1);
   samples += *pnt;
 
   for(i=0;i<32;i++) {
@@ -60,7 +58,7 @@ int synth_1to1_mono(real *bandPtr,unsigned char *samples,int *pnt)
 }
 
 
-int synth_1to1(real *bandPtr,int channel,unsigned char *out,int *pnt)
+int synth_1to1(struct mpstr *mp,real *bandPtr,int channel,unsigned char *out,int *pnt)
 {
   static const int step = 2;
   int bo;
@@ -70,16 +68,16 @@ int synth_1to1(real *bandPtr,int channel,unsigned char *out,int *pnt)
   int clip = 0;
   int bo1;
 
-  bo = gmp->synth_bo;
+  bo = mp->synth_bo;
 
   if(!channel) {
     bo--;
     bo &= 0xf;
-    buf = gmp->synth_buffs[0];
+    buf = mp->synth_buffs[0];
   }
   else {
     samples++;
-    buf = gmp->synth_buffs[1];
+    buf = mp->synth_buffs[1];
   }
 
   if(bo & 0x1) {
@@ -93,7 +91,7 @@ int synth_1to1(real *bandPtr,int channel,unsigned char *out,int *pnt)
     dct64(buf[0]+bo,buf[1]+bo+1,bandPtr);
   }
 
-  gmp->synth_bo = bo;
+  mp->synth_bo = bo;
 
   {
     register int j;
diff --git a/dlls/winemp3.acm/interface.c b/dlls/winemp3.acm/interface.c
index 6f039a75134..2ac120ac067 100644
--- a/dlls/winemp3.acm/interface.c
+++ b/dlls/winemp3.acm/interface.c
@@ -22,9 +22,6 @@
 #include "mpg123.h"
 #include "mpglib.h"
 
-/* Global mp .. it's a hack */
-struct mpstr *gmp;
-
 
 BOOL InitMP3(struct mpstr *mp)
 {
@@ -39,6 +36,7 @@ BOOL InitMP3(struct mpstr *mp)
 	mp->fr.single = -1;
 	mp->bsnum = 0;
 	mp->synth_bo = 1;
+	mp->fr.mp = mp;
 
 	if(!init) {
 		init = 1;
@@ -152,8 +150,6 @@ int decodeMP3(struct mpstr *mp,const unsigned char *in,int isize,unsigned char *
 {
 	int len;
 
-	gmp = mp;
-
 	if(osize < 4608) {
 		fprintf(stderr,"To less out space\n");
 		return MP3_ERR;
@@ -224,17 +220,17 @@ int decodeMP3(struct mpstr *mp,const unsigned char *in,int isize,unsigned char *
 	return MP3_OK;
 }
 
-int set_pointer(long backstep)
+int set_pointer(struct mpstr *mp, long backstep)
 {
   unsigned char *bsbufold;
-  if(gmp->fsizeold < 0 && backstep > 0) {
+  if(mp->fsizeold < 0 && backstep > 0) {
     fprintf(stderr,"Can't step back %ld!\n",backstep);
     return MP3_ERR;
   }
-  bsbufold = gmp->bsspace[gmp->bsnum] + 512;
+  bsbufold = mp->bsspace[mp->bsnum] + 512;
   wordpointer -= backstep;
   if (backstep)
-    memcpy(wordpointer,bsbufold+gmp->fsizeold-backstep,backstep);
+    memcpy(wordpointer,bsbufold+mp->fsizeold-backstep,backstep);
   bitindex = 0;
   return MP3_OK;
 }
diff --git a/dlls/winemp3.acm/layer1.c b/dlls/winemp3.acm/layer1.c
index 45caf30c943..16bc55cb649 100644
--- a/dlls/winemp3.acm/layer1.c
+++ b/dlls/winemp3.acm/layer1.c
@@ -146,12 +146,12 @@ int do_layer1(struct frame *fr,unsigned char *pcm_sample,int *pcm_point)
     I_step_two(fraction,balloc,scale_index,fr);
 
       if(single >= 0) {
-        clip += synth_1to1_mono( (real*)fraction[single],pcm_sample,pcm_point);
+        clip += synth_1to1_mono(fr->mp,(real*)fraction[single],pcm_sample,pcm_point);
       }
       else {
         int p1 = *pcm_point;
-        clip += synth_1to1( (real*)fraction[0],0,pcm_sample,&p1);
-        clip += synth_1to1( (real*)fraction[1],1,pcm_sample,pcm_point);
+        clip += synth_1to1(fr->mp,(real*)fraction[0],0,pcm_sample,&p1);
+        clip += synth_1to1(fr->mp,(real*)fraction[1],1,pcm_sample,pcm_point);
       }
   }
 
diff --git a/dlls/winemp3.acm/layer2.c b/dlls/winemp3.acm/layer2.c
index 5e3fbdf5831..d3cd46393e9 100644
--- a/dlls/winemp3.acm/layer2.c
+++ b/dlls/winemp3.acm/layer2.c
@@ -286,12 +286,12 @@ int do_layer2(struct frame *fr,unsigned char *pcm_sample,int *pcm_point)
     II_step_two(bit_alloc,fraction,scale,fr,i>>2);
     for (j=0;j<3;j++) {
       if(single >= 0) {
-        clip += synth_1to1_mono(fraction[0][j],pcm_sample,pcm_point);
+        clip += synth_1to1_mono(fr->mp,fraction[0][j],pcm_sample,pcm_point);
       }
       else {
         int p1 = *pcm_point;
-        clip += synth_1to1(fraction[0][j],0,pcm_sample,&p1);
-        clip += synth_1to1(fraction[1][j],1,pcm_sample,pcm_point);
+        clip += synth_1to1(fr->mp,fraction[0][j],0,pcm_sample,&p1);
+        clip += synth_1to1(fr->mp,fraction[1][j],1,pcm_sample,pcm_point);
       }
 
     }
diff --git a/dlls/winemp3.acm/layer3.c b/dlls/winemp3.acm/layer3.c
index 398a0a06cf7..129d82151ac 100644
--- a/dlls/winemp3.acm/layer3.c
+++ b/dlls/winemp3.acm/layer3.c
@@ -25,8 +25,6 @@
 #include "mpglib.h"
 #include "huffman.h"
 
-extern struct mpstr *gmp;
-
 #define MPEG1
 
 
@@ -1830,11 +1828,11 @@ static void dct12(real *in,real *rawout1,real *rawout2,register real *wi,registe
  * III_hybrid
  */
 static void III_hybrid(real fsIn[SBLIMIT][SSLIMIT],real tsOut[SSLIMIT][SBLIMIT],
-   int ch,struct gr_info_s *gr_info)
+   int ch,struct gr_info_s *gr_info,struct mpstr *mp)
 {
    real *tspnt = (real *) tsOut;
-   real (*block)[2][SBLIMIT*SSLIMIT] = gmp->hybrid_block;
-   int *blc = gmp->hybrid_blc;
+   real (*block)[2][SBLIMIT*SSLIMIT] = mp->hybrid_block;
+   int *blc = mp->hybrid_blc;
    real *rawout1,*rawout2;
    int bt;
    int sb = 0;
@@ -1923,7 +1921,7 @@ int do_layer3(struct frame *fr,unsigned char *pcm_sample,int *pcm_point)
 #endif
   }
 
-  if(set_pointer(sideinfo.main_data_begin) == MP3_ERR)
+  if(set_pointer(fr->mp,sideinfo.main_data_begin) == MP3_ERR)
     return -1;
 
   for (gr=0;gr<granules;gr++)
@@ -2006,17 +2004,17 @@ int do_layer3(struct frame *fr,unsigned char *pcm_sample,int *pcm_point)
     for(ch=0;ch<stereo1;ch++) {
       struct gr_info_s *gr_info = &(sideinfo.ch[ch].gr[gr]);
       III_antialias(hybridIn[ch],gr_info);
-      III_hybrid(hybridIn[ch], hybridOut[ch], ch,gr_info);
+      III_hybrid(hybridIn[ch], hybridOut[ch], ch,gr_info, fr->mp);
     }
 
     for(ss=0;ss<SSLIMIT;ss++) {
       if(single >= 0) {
-        clip += synth_1to1_mono(hybridOut[0][ss],pcm_sample,pcm_point);
+        clip += synth_1to1_mono(fr->mp,hybridOut[0][ss],pcm_sample,pcm_point);
       }
       else {
         int p1 = *pcm_point;
-        clip += synth_1to1(hybridOut[0][ss],0,pcm_sample,&p1);
-        clip += synth_1to1(hybridOut[1][ss],1,pcm_sample,pcm_point);
+        clip += synth_1to1(fr->mp,hybridOut[0][ss],0,pcm_sample,&p1);
+        clip += synth_1to1(fr->mp,hybridOut[1][ss],1,pcm_sample,pcm_point);
       }
     }
   }
diff --git a/dlls/winemp3.acm/mpg123.h b/dlls/winemp3.acm/mpg123.h
index b397641a09c..14ebe11467f 100644
--- a/dlls/winemp3.acm/mpg123.h
+++ b/dlls/winemp3.acm/mpg123.h
@@ -105,6 +105,8 @@ struct frame {
     /* layer2 stuff */
     int II_sblimit;
     const struct al_table *alloc;
+
+    struct mpstr *mp;
 };
 
 struct parameter {
@@ -117,7 +119,7 @@ struct parameter {
 extern unsigned int   get1bit(void);
 extern unsigned int   getbits(int);
 extern unsigned int   getbits_fast(int);
-extern int set_pointer(long);
+extern int set_pointer(struct mpstr *,long);
 
 extern unsigned char *wordpointer;
 extern int bitindex;
@@ -160,9 +162,9 @@ struct III_sideinfo
   } ch[2];
 };
 
-extern int synth_1to1 (real *,int,unsigned char *,int *);
+extern int synth_1to1 (struct mpstr *,real *,int,unsigned char *,int *);
 extern int synth_1to1_8bit (real *,int,unsigned char *,int *);
-extern int synth_1to1_mono (real *,unsigned char *,int *);
+extern int synth_1to1_mono (struct mpstr *,real *,unsigned char *,int *);
 extern int synth_1to1_mono2stereo (real *,unsigned char *,int *);
 extern int synth_1to1_8bit_mono (real *,unsigned char *,int *);
 extern int synth_1to1_8bit_mono2stereo (real *,unsigned char *,int *);